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Table 1 Clinical-pathological characteristics

From: Short- and long-term outcomes of totally robotic versus robotic-assisted radical distal gastrectomy for advanced gastric cancer: a mono-institution retrospective study

 Entire cohortPropensity score matched cohort
ParametersRADGTRGDpRADGTRGDp
(n = 237)(n = 95)(n = 164)(n = 82)
Gender  0.536  0.778
 Male142 (59.9%)56 (58.9%) 97 (59.1%)50 (61.0%) 
 Female95 (40.1%)39 (41.1%) 67 (40.9%)32 (39.0%) 
Age, year58.6 ± 11.055.2 ± 11.90.00155.8 ± 10.655.5 ± 10.30.758
BMI, kg/m222.7 ± 2.623.3 ± 2.80.45722.8 ± 2.723.1 ± 2.50.623
ASA physical status  0.145  0.636
 I85 (35.9%)31 (32.6%) 52 (31.7%)23 (28.0%) 
 II122 (51.5%)52 (54.7%) 88 (53.7%)49 (59.8%) 
 III30 (12.7%)12 (12.6%) 24 (14.6%)10 (12.2%) 
T stage  0.614  0.828
 T128 (11.8%)11 (11.6%) 19 (11.6%)10 (12.2%) 
 T266 (27.8%)26 (37.4%) 46 (28.0%)22 (26.8%) 
 T389 (37.6%)33 (34.7%) 65 (39.7%)32 (39.0%) 
 T4a54 (22.8%)25 (26.3%) 34 (20.8%)18 (22.0%) 
N stage  0.559  0.814
 N094 (39.7%)36 (37.9%) 65 (39.6%)32 (39.0%) 
 N171 (30.0%)30 (31.6%) 49 (29.9%)24 (29.3%) 
 N245 (19.0%)17 (17.9%) 29 (17.7%)14 (17.1%) 
 N327 (11.4%)12 (12.7%) 21 (12.8%)12 (14.6%) 
Clinical TNM stage  0.468  0.889
 I28 (11.8%)11 (11.6%) 19 (11.6%)9 (11.0%) 
 II79 (33.3%)26 (27.4%) 54 (32.9%)18 (22.0%) 
 III130 (54.9%)58 (61.1%) 91 (55.5%)55 (67.0%) 
Histology  0.755  0.789
 Differentiated182 (76.8%)72 (75.8%) 123 (75.0%)63 (76.8%) 
 Undifferentiated55 (23.2)23 (24.2%) 41 (25%)19 (23.2%) 
 Specimen length, cm14.6 ± 3.814.1 ± 3.20.55014.4 ± 3.614.2 ± 3.30.592
 Preoperative s-CEA, ng/ml2.6 ± 0.52.9 ± 0.60.3452.7 ± 0.52.9 ± 0.60.355
 Preoperative s-CA199, U/ml14.6 ± 2.615.1 ± 2.80.78914.9 ± 2.715.2 ± 2.80.794
 Preoperative s-CA125, U/ml11.4 ± 2.111.9 ± 2.30.51411.6 ± 2.211.8 ± 2.30.518
  1. Abbreviations: BMI body mass index, ASA American Society of Anesthesiologists, CEA carcinoembryonic antigen, s-CA199 serum carbohydrate antigen 199, s-CA125 serum carbohydrate antigen 199